publication venue for Sphingolipids and Monocyte/Macrophage Differentiation of HL-60 Cells. 3. 1991 Heparan Sulfate Degradation in Tumor Cell Invasion and Neovascularization. 3. 1991 The Presence of a Novel Compound, Ceramide-1-Phosphate, in HL-60 Cells. 3. 1991